<template>
  <div class="app-container">
    <el-card class="box-card">
      <div slot="header" class="clearfix">
        <el-row>
          <el-button type="success" @click="handleCreate">&emsp;新增&emsp;</el-button>
          <el-button type="danger" @click="handleDeleteAll">批量删除</el-button>
          <el-form ref="listQuery" :inline="true" :model="listQuery" class="demo-form-inline">
            <el-form-item label="">
              <el-input v-model="listQuery.keyword" placeholder="请输入文章分类标题" type="text"></el-input>
            </el-form-item>
            <el-form-item>
              <el-button type="primary" @click="searchSubmit">查询</el-button>
              <el-button type="primary" @click="resetSubmit">重置</el-button>
            </el-form-item>
          </el-form>
        </el-row>
      </div>
      <div v-loading="listLoading" class="item">
        <el-table ref="dataList" :data="menuList" :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
                  border row-key="id" style="width:100%;margin-bottom: 20px;"
                  @selection-change="handleSelectionChange"
        >
          <el-table-column type="selection"></el-table-column>
          <el-table-column label="序号" prop="article_cat_id"></el-table-column>
          <el-table-column label="文章标题" prop="cat_name"></el-table-column>
          <el-table-column label="图标" prop="icon">
            <template slot-scope="scope">
              <el-popover max-width="420" placement="right" trigger="hover">
                <img :src="scope.row.icon" alt="" style="max-width: 200px;max-height: 200px">
                <img slot="reference" :src="scope.row.icon" alt="" style="width: 50px;">
              </el-popover>
            </template>
          </el-table-column>
          <el-table-column label="排序" prop="sort"></el-table-column>


          <el-table-column label="操作" width="180px">
            <template slot-scope="scope">
              <el-button icon="el-icon-edit" plain size="mini" type="primary" @click="handleUpdate(scope.row)">编辑
              </el-button>
              <el-button icon="el-icon-delete" plain size="mini" type="danger" @click="handleDelete(scope.row)">删除
              </el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页 -->
        <cus-pagination
          :limit.sync="listQuery.perPage"
          :page.sync="listQuery.page"
          :total="total"
          @pagination="getList"
        />
      </div>
    </el-card>
    <!-- 删除弹框 -->
    <el-dialog
      :visible.sync="deleteDialogVisible"
      title="确定删除吗?"
      width="435px"
    >
      <span style=""><em style="font-style:normal;color:red">删除后不可恢复</em>，你还要继续吗？</span>
      <span slot="footer" class="dialog-footer">
            <el-button @click="deleteDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="confirmDelete">确 定</el-button>
        </span>
    </el-dialog>
    <!-- 新增编辑弹框 -->
    <el-dialog v-dialogDrag :title="titleMap[dialogStatus]" :visible.sync="dialogFormVisible"
               @close="handleCloseDialog"
    >
      <el-form ref="editRulesForm" :model="editRulesForm" :rules="editRulesFormRules" class="demo-ruleForm"
               label-width="120px"
      >
        <el-form-item label="分类名称" prop="cat_name">
          <el-input v-model="editRulesForm.cat_name" placeholder="请输入标题文字"></el-input>
        </el-form-item>
        <el-form-item label="排序" prop="sort">
          <el-input v-model.number="editRulesForm.sort" placeholder="从小到大排序"></el-input>
        </el-form-item>
        <el-form-item label="图标" prop="icon">
          <el-upload
            :auto-upload="true"
            :file-list="giveShowPicture"

            :limit="1"
            :on-change="handleChange"
            :on-error="handleError"
            :on-remove="handleRemove"
            :on-success="handleSuccess"
            action=""
            list-type="picture-card"
          >
            <i class="el-icon-plus"></i>
          </el-upload>
        </el-form-item>
        <el-form-item>
          <el-button @click="dialogFormVisible = false">返回</el-button>
          <el-button type="primary" @click="submitForm('editRulesForm')">提交</el-button>
        </el-form-item>
      </el-form>
    </el-dialog>
  </div>
</template>

<script>
import {
  listData,
  postAddData,
  putEditData,
  deleteData
} from '@/api/content/articleCategory'

import {
  getToken
} from '@/utils/auth'
import { IMG_UPLOAD_URL } from '../../data/basic_data'

export default {
  data() {
    return {

      confirmBtn: false,

      giveShowPicture: [],

      // 要修改的当前行的id
      row_id: 0,
      // 黑名单类别
      blackList: [
        { value: 1, label: '1' },
        { value: 2, label: '4' },
        { value: 3, label: '6' },
        { value: 4, label: '3' },
        { value: 5, label: '5' }
      ],
      // 选中的黑名单类别
      checkBlackList: [],
      provinceList: [],
      cityList: [],
      // 表单规则
      editRulesFormRules: {
        cat_name: [{ required: true, message: '请填写标题文字1-25字符', trigger: 'blur' }],
        sort: [{ type: 'number', required: true, message: '请输入整数类型', trigger: 'blur' }],
        icon: [{ required: true, message: '请上传图片', trigger: 'change' }]
      },
      // 受限类型
      limit_typeList: [
        { value: 0, label: '全部' },
        { value: 1, label: 'IP' },
        { value: 2, label: '归属地' }
      ],
      editRulesForm: {
        sort: undefined,
        cat_name: undefined,
        icon: undefined
      },
      dialogStatus: '',
      // dialog的头部信息
      titleMap: {
        update: '编辑',
        create: '新增'
      },
      dialogFormVisible: false,
      deleteDialogVisible: false,
      listLoading: false,
      menuList: [],
      limitList: [],
      listQuery: {
        page: 1,
        perpage: 10,
        keyword: undefined
      },
      total: 0,
      // 勾选内容
      multipleSelection: [],
      // 要删除的内容的ids
      dataIds: ''
    }
  },
  created() {
    // this.getProvince()
    this.getList()
  },
  methods: {
    getList() {
      this.listLoading = true
      let urlData = '?'
      if (this.listQuery.page) {
        urlData = urlData + `page=${this.listQuery.page}&`
      }
      if (this.listQuery.perPage) {
        urlData = urlData + `perPage=${this.listQuery.perPage}`
      }
      if (this.listQuery.keyword) {
        urlData = urlData + `&keyword=${this.listQuery.keyword}`
      }
      // urlData);
      listData(urlData).then((response) => {

        this.menuList = response.data.list
        this.total = response.data.meta.total
        this.listLoading = false
        this.confirmBtn = false
      })
    },
    searchSubmit() {
      this.listQuery.page = 1
      this.getList()
    },
    resetSubmit() {
      this.listQuery.page = 1
      this.listQuery.perpage = 10
      this.listQuery.keyword = undefined
    },
    handleRemove(file, fileList) {
      document.querySelector('.el-upload').style = 'display:block'
      this.editRulesForm.icon = ''
    },
    handleError() {
      document.querySelector('.el-upload').style = 'display:block'
      this.editRulesForm.icon = ''
    },
    handleChange() {
      document.querySelector('.el-upload').style = 'display:none'
    },
    handleSuccess(response, file, fileList) {
      this.editRulesForm.icon = response.data.url
    },

    // 点击新增
    handleCreate() {
      this.resetForm('editRulesForm')
      this.dialogStatus = 'create'
      this.dialogFormVisible = true
    },
    // 点击编辑
    handleUpdate(row) {
      this.row_id = row.article_cat_id
      this.editRulesForm.sort = row.sort
      this.editRulesForm.cat_name = row.cat_name
      this.editRulesForm.icon = row.icon
      this.giveShowPicture.push({ url: row.icon })
      this.dialogStatus = 'update'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        document.querySelector('.el-upload').style = 'display:none'
      })
    },

    // 重置表单内容
    resetForm(formName) {
      this.$nextTick(() => {
        // this.$refs[formName].resetFields();
        if (this.$refs[formName] !== undefined) {
          this.$refs[formName].resetFields()
        }
        this.cityList = []
        this.editRulesForm = {
          sort: undefined,
          cat_name: undefined,
          icon: undefined
        }
        this.giveShowPicture = []
        this.$nextTick(() => {
          document.querySelector('.el-upload').style = 'display:block'
        })
      })

    },
    submitForm(formName) {
      if (this.confirmBtn) return
      this.$refs[formName].validate((valid) => {
        if (valid) {
          this.confirmBtn = true
          if (this.dialogStatus === 'create') {
            postAddData(this.editRulesForm).then(response => {
              if (response.code === 200) {
                this.getList()
                this.dialogFormVisible = false
                this.$notify({
                  type: 'success',
                  message: '操作成功',
                  position: 'bottom-right',
                  showClose: false,
                  duration: 3000
                })
              } else {
                this.confirmBtn = false
              }
            })
          } else {

            putEditData(this.row_id, this.editRulesForm).then(response => {
              if (response.code === 200) {
                this.getList()
                this.dialogFormVisible = false
                this.$notify({
                  type: 'success',
                  message: '操作成功',
                  position: 'bottom-right',
                  showClose: false,
                  duration: 3000
                })
              } else {
                this.confirmBtn = false
              }
            })
          }
        } else {

          return false
        }
      })
    },
    // 勾选
    handleSelectionChange(val) {
      this.multipleSelection = val
    },
    // 点击单个删除
    handleDelete(row) {
      this.dataIds = { ids: `${row.article_cat_id}` }
      this.deleteDialogVisible = true
    },
    // 点击批量删除
    handleDeleteAll() {
      if (this.multipleSelection.length === 0) {
        this.$message({
          message: '请先勾选要删除的内容',
          type: 'warning'
        })
        return
      }

      this.deleteDialogVisible = true
    },
    // 确定删除
    confirmDelete() {
      if (this.confirmBtn) return
      this.confirmBtn = false
      if (this.multipleSelection.length !== 0) {
        let ids = ''
        for (let key in this.multipleSelection) {
          ids += `${this.multipleSelection[key].article_cat_id},`
        }
        ids = ids.substring(0, ids.length - 1)
        this.dataIds = { ids: ids }
      }
      // this.dataIds)
      this.deleteDialogVisible = false
      deleteData(this.dataIds).then((response) => {
        if (response.code === 200) {
          this.getList()
          this.deleteDialogVisible = false
          this.$notify({
            type: 'success',
            message: '操作成功',
            position: 'bottom-right',
            showClose: false,
            duration: 3000
          })
        } else {
          this.confirmBtn = false
        }
      })
    },
    handleCloseDialog() {
      this.giveShowPicture.length = 0
      this.editRulesForm.icon = ''
      this.$refs.editRulesForm.clearValidate()
    }
  }
}
</script>

<style scoped>
[v-cloak] {
  display : none;
}

.clearfix:before,
.clearfix:after {
  display : table;
  content : "";
}

.clearfix:after {
  clear : both
}

.box-card {
  width : 100%;
}

.demo-form-inline {
  float : right;
}

/deep/ .el-card__header {
  padding-bottom : 0;
}
</style>
